I noticed that my mid 90's Univega has the cranks that where mentioned in a recall about 15 years ago and doubt very much there is a chance of Shimano replacing them this late in the game, they are Alivio FC-MC12, at this time there is no problem and they have made it this long, but I really like this bike and know eventually things will need replaced. Might as well start with them.

How do I know what cranks to get to replace them?

Would it be just any three ring similar tooth count with square tapered bb or is there more too it?

Thanks for any help.